It's clear Arkane Studios isn't done with Prey, one of our favorite games of last year.
A couple of months ago, the developer posted teaser-y images and hinted at an announcement scheduled for June 10 (the same day as Bethesda's E3 press conference) with some real gross eyes. Earlier today, Arkane added a batch of conspicuous new achievements to the PC version of Prey.
Together, they spell out the message "If you believed they put a man on the moon."
via destructoid https://www.destructoid.com/arkane-teases-prey-dlc-with-a-set-of-suspicious-new-achievements-503612.phtml